One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,7,9,6,4,5,10)(3,11,13,8,15,16,14,12)(19,26)(23,31)(27,32)(28,30)(1,3,7,13,6,15,5,14)(2,8,9,16,4,12,10,11)(17,18)(19,27)(20,24)(21,25)(22,29)(23,28)(26,32)(30,31)(1,2,6,4)(3,12,15,8)(5,9,7,10)(11,13,16,14)(17,19)(18,23)(20,28)(21,26)(22,30)(24,32)(25,31)(27,29)(1,4,6,2)(3,8,15,12)(5,9,7,10)(11,13,16,14)(17,20,21,22)(18,24,25,29)(19,28,26,30)(23,32,31,27)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.